Samantha the Cat / The Sheep (voice)

Donna Akersten

Acting

Sebastian / Dr. Quack / Daisy the Cow / Sandy the Chicken (voice)

Stuart Devenie

Acting

Heidi / Robert / Barry the Bulldog (voice)

Mark Hadlow

Acting

Wynyard the Frog / Trevor the Rat / The Fly (voice)

Brian Sergent

Acting

Harry / Dennis / Abi Bargwan / Mr. Big / Pekingese / others (voice) (uncredited)

Ross Jolly

Acting

Bletch / Arfur the Worm (voice)

Peter Vere-Jones

Acting

Sid the Elephant / The Cockroach / Louie the Fish (voice)

Mark Wright

Acting

Heidi the Hippo (uncredited)

Danny Mulheron

Directing

Killer man (uncredited)

Jay Snowfield

Acting

Bletch (voice) (uncredited)

Doug Wren

Acting

Audience Member in the Theater (uncredited)

Peter Jackson

Directing

Musician Frog (voice, uncredited)

Fane Flaws

Directing